[2]
Promoting healthy aging in cities: The Healthy Cities project in Europe[J] . Ingrid M. Keller,Alex Kalache.Journal of Cross-Cultural Gerontology . 1997 (4)
[2]
Promoting healthy aging in cities: The Healthy Cities project in Europe[J] . Ingrid M. Keller,Alex Kalache.Journal of Cross-Cultural Gerontology . 1997 (4)